// Copyright 2013 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/extensions/free-buffer-extension.h"

#include "src/base/platform/platform.h"
#include "src/isolate.h"

#include "src/objects-inl.h" // weolar

namespace v8 {
namespace internal {

    v8::Local<v8::FunctionTemplate> FreeBufferExtension::GetNativeFunctionTemplate(
        v8::Isolate* isolate, v8::Local<v8::String> str)
    {
        return v8::FunctionTemplate::New(isolate, FreeBufferExtension::FreeBuffer);
    }

    void FreeBufferExtension::FreeBuffer(
        const v8::FunctionCallbackInfo<v8::Value>& args)
    {
        v8::Local<v8::ArrayBuffer> arrayBuffer = args[0].As<v8::ArrayBuffer>();
        v8::ArrayBuffer::Contents contents = arrayBuffer->Externalize();
        Isolate* isolate = reinterpret_cast<Isolate*>(args.GetIsolate());
        isolate->array_buffer_allocator()->Free(contents.Data(),
            contents.ByteLength());
    }

} // namespace internal
} // namespace v8
